780 ANIMALS AND THEIR ENVIRONMENT 



10. Define and give an example of a biotic community. \Vhat information is required to 

 define a particular biotic community? 



11. Explain why there is a tendency for there to be an orderly sequence of communities 

 leading to a climax community. What is the climax community in your region? 



Supplementary Reading 



The principles of ecology are clearly and interestingly presented by E. P. Odum in 

 his Fundamentals of Ecology. A standard reference work in animal ecology is the treatise 

 by Allee, Emerson, Park. Park and Schmidt, Principles of Animal Ecology. 



